Purdue engineers develop quick, inexpensive method to prototype microchips
... perspective," said Bob Armstrong, senior research fellow at the National Defense University, one of the organizations that funded this research. "Microfluidic chips are becoming part of a sensor system to detect, for example, biological or chemical agents, or pathogens in the food supply. What is it you ...Purdue research suggests 'nanotubes' could make better brain probes
... McKenzie and Rachel L. Price, former postdoctoral fellow Jeremiah U. Ejiofor and visiting undergraduate student Michael C. Waid from the University of Nebraska. The nanotubes were specially designed so that their surfaces contained tiny bumps measured in nanometers, or billionths of a meter. Conventional...Changes in shape of single protein plays key role in the spread of cancer cells
... Philippe R.J. Bois, Ph.D., a Van Vleet Foundation fellow in the St. Jude Department of Genetics. "It was already known that cells can read certain genes in different ways to make different proteins," Bois said. "But these new findings significantly enhance our appreciation of the scope of protein function...Researchers find key gene in production of egg and sperm
...incipal author Wojtek P. Pawlowski, a postdoctoral fellow at UC Berkeley. "It's clear that this gene plays a crucial role in the process, though we still don't understand what it does or how pairing happens." Pawlowski and W. Zacheus Cande, a professor of molecular and cell biology and of plant biology at ...A big surprise: Young nerve cells can rewind their developmental clocks
... generate. Carina Hanashima, Ph.D., a postdoctoral fellow in Dr. Fishell's laboratory who had previously worked with Dr. Lai, conducted a series of experiments that made the analysis possible. The progenitor cells for the cortex are born in a zone deep in the brain, and migrate to their assigned layer,...MIT helps unlock life-extending secrets of calorie restriction
...ociate in biology; Marcia Haigis, MIT postdoctoral fellow in biology; and MIT biology graduate student Gregory B. Liszt....New book explains plants, medicine
...rbs are very much mainstream," said Elvin-Lewis, a fellow of the International Society of Herbal Medicine in India. Non-traditional herbal meds can be 'dicey' According to Elvin-Lewis , when compounded and prescribed appropriately, the safety of traditional herbal medications is high. It is generally re...Armies of fighting fungi protect chocolate trees
... the paper was A. Elizabeth Arnold, a postdoctoral fellow in the Duke University Department of Biology. Other co-authors are Luis Meja, Damond Kyllo, Enith Rojas, Zuleyka Maynard, Nancy Robbins and Allen Herre of the Smithsonian Tropical Research Institute in Panama. Their research was sponsored by the Rese...Aged roaches experience perils of stiff joints, find Case researchers
... movement problems. Angela Ridgel, a post doctoral fellow at Case, was the lead author on the National Institute of Health-funded study, "Effects of aging on behavior and leg kinematics during locomotion in two species of cockroaches." Her research looked at walking, climbing and righting behavior in the ro...Researchers identify key player in respiratory memory
...promised," says Tracy Baker-Herman, a postdoctoral fellow at UW-Madison and first author of the paper. To begin to uncover these mechanisms, the researchers exposed rats to three five-minute intervals of hypoxia, or decreased oxygen. Sixty minutes after exposure, they recorded the respiratory-related activi...Alcoholics with antisocial personality disorder have blunted emotional reactivity
...itute on Alcohol Abuse and Alcoholism postdoctoral fellow at Brown University and first author of the study. "Through integration with cognitive processes, emotional reactions play an important role in learning and memory, evaluating variable environmental contingencies, and motivating adaptive behavior. ...Mouse embryonic germ cells and male gametes created in the lab
...s. However, when Kitai Kim, Ph.D., a postdoctoral fellow in Hematology/Oncology at Children's Hospital, and Kevin Eggan, a Junior Fellow in the Harvard Society of Fellow, injected the gametes into eggs, the gametes fertilized the eggs and fused their DNA with that of the eggs, creating embryos with full se...Sport hunting hits evolutionary traits in bighorn sheep
... much of the DNA fingerprinting as a post-doctoral fellow in Strobek's lab. Currently at the University of Sheffield, Coltman will be returning to the U of A in June as a researcher. Coltman's research team studied 30 years of data from a harvest bighorn sheep population at Ram Mountain, Alberta. ...Gene mutation leads to super-virulent strain of TB
...ibiotics," said Morici, who is now a post-doctoral fellow at Tulane University's School of Medicine. "There are several other virulent organisms out there that are easier to manipulate than TB." The researchers compared the spleens, livers and lungs of mice at various time points throughout the experimen...Expedition will retrace legendary Steinbeck-Ricketts voyage to the Sea of Cortez
...r undergraduates, Rafe Sagarin, now a postdoctoral fellow at the University of California-Los Angeles. As part of an ongoing field study on climate change, Sagarin has installed metal bolts at several intertidal locations on Baja's west coast. These permanent makers allow him to make accurate counts of the ...Scientists solve puzzle of how kinesin motor molecules walk or limp across cells
...hah!'," recalled Charles L. Asbury, a postdoctoral fellow in the Block lab and lead author of the Science study. "It's impossible for an inchworm to limp, because one head is always in the lead. Therefore kinesin must be using a hand-over-hand movement when it walks." What's causing it to limp? "We're not s...Easily paralyzed flies provide clues to neurodegeneration
... cachet, recent work by Ganetzky and post-doctoral fellow Michael Palladino showed that some of the mutants in their collection undergo progressive, age-dependent neurodegeneration resulting in the widespread death of brain cells. "The neuropathology observed in these mutants is very reminiscent of t...UCLA study sheds new light on island evolution
...rsday, Dec. 4, in the journal Nature, postdoctoral fellow Ryan Calsbeek and Professor Thomas B. Smith of the UCLA Center for Tropical Research report that lizards long thought to be evolving independently on Caribbean Islands in fact exchange genetic material. The reason, according to their 12-month study: ...Brain study shows some animals crave exercise
...vation to run," says Justin Rhodes, a postdoctoral fellow at Oregon Health & Science University who completed the study while a graduate student at UW-Madison. But he adds that the specially bred mice have a genetic predisposition to run longer distances. "They represent those few extreme individuals in th...New findings implicate cell size controls in a variety of diseases
...nd a MacArthur Foundation fellow, and postdoctoral fellow Ken Inoki have been investigating the general question of how cell growth is regulated because it can be a factor in cancerous cell growth. In a study published in the Nov. 26 edition of Cell, the researchers describe how a cell growth regulator gen...